﻿export const
    EXPAND_AUTH = 'EXPAND_AUTH',    // expand the tree node
    SELECT_TEACHER = 'SELECT_T',    // select a teacher
    CHECK_PERM = 'CHECK_P',         // check a permission name to grant the permission to the current teacher
    SUBMIT = 'SUBMIT',              // submit changes to service
    CANCEL = 'CANCEL';              // cancel changes